Fluid-fuel burner



Sept. 23 1924.

A. T. CARNES- FLUID FUEL BURNER Filed Dec. 8, 19231lllllllllllllllllllllII-lllllllll fl V Patented Sept. 23, 1924.

UNITED STATES ALIVIUS T. CAB/IVES, OF KANSAS CITY, IVIISSOURI.

FLUIID-FUEL BURNER.

Application filed December 8, 1923. Serial No. 679,415.

To all whom it may concern:

Be it known that I, ALMUs T. GARNES, a citizen of the United 3 States,residing at Kansas City, in the county of Jackson and State of Missouri,have invented certain new and useful Improvements in Fluid-Fuel Burners;and I do hereby declare the fol lowing to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same, reference being hadto the accompanying drawings, and to the letters of reference markedthereon, forming part of this specification.

This invention relates to fluid fuel burners, and has for its object toprovide such an apparatus with means whereby the quantity of fuel supplymay be regulated.

The features of my invention consist in the improvements in the jetmechanism of the burner apparatus, comprising openings in the tip of thejet which can be controlled by means of a thimble secured on said tip bymeans of screw threads so that by turning said thimble in one directionsome of said openings will be opened, and in the reverse direction theywill be closed.

These and other features of my invention will be hereinafter describedand pointed out, and are illustrated in the following drawings in which:

Figure 1. is a side elevation of a fluid fuel burner provided with jetmechanism of my invention.

Figure 2, is a plan View of my improved jet mechanism removed from theburner apparatus on the line 22 in Fig. 1.

Figure 3, is an enlarged central section of the same on the line 3-3 inF in. 2.

Figure 4., is a fragmentary view of a portion of the apparatus.

In these drawings AA indicates a fluid fuel burner of usual and ordinaryconstruction and operation, consisting of a hollow ring A, and a tray Ain which the ring A is supported by a stem at, shown by broken lines, tothe lower end of which the first supply pipe A is connected in the usualmanner.

The ring A is provided with a threaded opening at its highest pointabove the inlet pipe A into which is screwed a jet tube B, which isprovided with a conical tip B at its lower end. At the apex of this tipB is a small jet opening I), and through the inclined side of the tip Bare placed a plu rality of small openings 6. Around the lower portion ofthis .jet tube B are screw threads B upon which is placed a thimble C,the internal opening in which is provided with threads which engage thethreads B on the jet tube B. The chamber in this thimble is providedwith a conical shaped wall which fits the conical tip B of the jet tubeB, so that when the thimble C is screwed up to its limit the holes 6 inthe tip B will be closed, as shown in Fig. 8. This thimble C is providedwith a radial flange C having a series of holes therethrough adapted toreceive the end D of a rod D, which extends to and is pivoted upon onearm of a bell crank lever, E, by means of which the flange C and thimbleG can be rotated. The thimble C is provided with an opening 0 whichregisters with the opening 6, in the apex of the tip B, of the jet tube.Upon the upper end of the thimble C is secured a gland ring F by meansof screw threads f in which is placed fire-proof packing 7, see Fig. 3,to prevent the leakage of oil. To yieldingly maintain the thimble 0closed against the conical tip of the jet tube B, I provide a spring Eso that when the chain E is released the spring E will operate to shutoff the flow of fuel through the holes I) in the tip B of the jet tubeB. The lever E and spring E are secured to the outside of the furnace(not shown) by means of a bracket E in which the burner is installed,the rod D and fuel supply pipe A passing through the walls of thefurnace.

In operation, fuel is supplied to the ring A through the supply pipe Aand flows outward through the hole 6 in the tip of the jet tube B whereit is ignited. Should the fuel be liquid and therefore not ignitereadily, it will be received in the tray A where it will ignite and inburning will heat the ring A and boil the liquid in the ring A andthereby generate gas in the upper part of the ring A, which will flowout of the jet tube, and ignite in the usual manner. In

case. more fuel is required the chain E is A sufiiciently heated tovolatilize the liquid fluid in the ring.

Having thus fullv described 111 invention and the operation thereof sothat others can utilize the same, What I desire to secure byLettersPatent is:

In a fluid fuel burner, a iet tube, a conical point on said tube havinga jet opening in the apex of said point and a plurality oi jet openingsin the conical surface thereofl an internally screw threaded thimblehaving a conically shaped shoulder therein coinciding with the conicalpoint on said tube and adapted to control the jet openings in theconical surface of said tube. means to rotate said thimb'le, externalthreads on said thinnble, a gasket on said tube and seated on the upperend of said thimble and an internally threaded stufiing-box ring screwedon said thimble adapted to compress said gasket.

In testimony whereof l'afiix my signature.

ALMUS T. CARNES.

